The 20 Startups Raised The Largest US Funding Rounds in Q3 2018

4. Slack $427MRound: Series HDescription: San Francisco-based Slack is an enterprise software platform that allows teams and businesses of all sizes to communicate effectively. Founded in 2009, Slack has now raised a total of $1.22B in equity funding.Industry: Collaboration, Enterprise Software, Messaging, Real Time, SaaSTotal equity funding: $1.22B